1 files changed, 69 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/asm-offsets.c b/arch/x86_64/kernel/asm-offsets.c
new file mode 100644
index 00000000000..35b4c3fcbb3
--- /dev/null
+++ b/arch/x86_64/kernel/asm-offsets.c
@@ -0,0 +1,69 @@
+/*
+ * Generate definitions needed by assembly language modules.
+ * This code generates raw asm output which is post-processed to extract
+ * and format the required data.
+ */
+
+#include <linux/sched.h> 
+#include <linux/stddef.h>
+#include <linux/errno.h> 
+#include <linux/hardirq.h>
+#include <linux/suspend.h>
+#include <asm/pda.h>
+#include <asm/processor.h>
+#include <asm/segment.h>
+#include <asm/thread_info.h>
+#include <asm/ia32.h>
+
+#define DEFINE(sym, val) \
+        asm volatile("\n->" #sym " %0 " #val : : "i" (val))
+
+#define BLANK() asm volatile("\n->" : : )
+
+int main(void)
+{
+#define ENTRY(entry) DEFINE(tsk_ ## entry, offsetof(struct task_struct, entry))
+	ENTRY(state);
+	ENTRY(flags); 
+	ENTRY(thread); 
+	ENTRY(pid);
+	BLANK();
+#undef ENTRY
+#define ENTRY(entry) DEFINE(threadinfo_ ## entry, offsetof(struct thread_info, entry))
+	ENTRY(flags);
+	ENTRY(addr_limit);
+	ENTRY(preempt_count);
+	BLANK();
+#undef ENTRY
+#define ENTRY(entry) DEFINE(pda_ ## entry, offsetof(struct x8664_pda, entry))
+	ENTRY(kernelstack); 
+	ENTRY(oldrsp); 
+	ENTRY(pcurrent); 
+	ENTRY(irqrsp);
+	ENTRY(irqcount);
+	ENTRY(cpunumber);
+	ENTRY(irqstackptr);
+	BLANK();
+#undef ENTRY
+#ifdef CONFIG_IA32_EMULATION
+#define ENTRY(entry) DEFINE(IA32_SIGCONTEXT_ ## entry, offsetof(struct sigcontext_ia32, entry))
+	ENTRY(eax);
+	ENTRY(ebx);
+	ENTRY(ecx);
+	ENTRY(edx);
+	ENTRY(esi);
+	ENTRY(edi);
+	ENTRY(ebp);
+	ENTRY(esp);
+	ENTRY(eip);
+	BLANK();
+#undef ENTRY
+	DEFINE(IA32_RT_SIGFRAME_sigcontext,
+	       offsetof (struct rt_sigframe32, uc.uc_mcontext));
+	BLANK();
+#endif
+	DEFINE(pbe_address, offsetof(struct pbe, address));
+	DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
+	DEFINE(pbe_next, offsetof(struct pbe, next));
+	return 0;
+}